Job Title : System Administrator.
Location : Head Office, Chennai Perungudi.
Department : IT.
Experience : 8-10 years.
Job Summary :
This position will manage and support our IT infrastructure across multiple sites and will have strong hands-on experience in Active Directory, Microsoft 365, Entra ID, Endpoint Security, and Firewall management, along with a robust understanding of enterprise communication systems and internal application support.
Key Responsibilities :
Active Directory & Identity Management :
- Manage and maintain Active Directory, user provisioning, de-provisioning, and group policies.
- Administer Microsoft Entra ID (Azure AD) for identity and access management.
- Monitor and enforce security policies, including MFA and conditional access.
Microsoft 365 (O365) Administration :
Manage and support O365 mailboxes, distribution groups, shared mailboxes, and licenses.Troubleshoot email flow, spam filtering, and mobile device configurations.Coordinate with Microsoft support for escalated issues.Endpoint Security (Sentinel EDR) :
Deploy and monitor Microsoft Defender for Endpoint / Sentinel EDR solutions.Respond to endpoint-related threats, alerts, and ensure compliance across devices.Email Security Barracuda :
Manage Barracuda Email Protection for inbound and outbound filtering.Monitor quarantine reports, email delivery issues, and user policy enforcement.Network and Site Coordination :
Coordinate IT infrastructure and connectivity across all office sites.Collaborate with vendors / ISPs for uptime, network health, and issue resolution.Monitor and troubleshoot LAN / WAN performance issues.Firewall Administration FortiGate :
Manage and configure FortiGate firewalls including rules, policies, VPNs, and security profiles.Perform regular firewall log reviews and ensure perimeter security.Communication Systems (EPABX) :
Administer and support EPABX systems configuration, call routing, extensions, and voice support.Liaise with telecom vendors for service and maintenance.VIP User Support :
Provide high-priority, white-glove support for executive / VIP users for all system-related needs.Ensure quick resolution, minimal downtime, and proactive monitoring.Internal Application Support :
Support internal business applications used by various departments.Coordinate with vendors / developers for bug fixes, updates, and enhancements.Assist users with login, access, performance, and usage issues.(ref : hirist.tech)